Spaceweather.com reports that sunspot 3981 has produced more than 20M-class solar flares, including two that almost reached category X. The...
Space Weather
Release Date: February 1, 2025 Here is a summary of the news trending…This Week in Amateur Radio. This week's edition...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
Solar Update Report January 30, 2025 The sun has been moderately active this past week. The greater than 2 MeV...
Last week was pretty unremarkable as far as the Sun goes, but it looks like that is about to change....
Tap or click the link below to download this week’s news script News script for 2 February 2025 (MS Word...
The Personal Space Weather Station (PSWS) network is a distributed series of receivers designed to measure the space environment. These...
Sorry to say this is the last ARRL Propagation Forecast Bulletin Iwill write. I took over in 1991 from Ed...
Solar activity was a bit weak during recent days. Average dailysunspot number was 159.1. During the previous week the average...
Currently a geomagnetic storm is raging. On January 1-2, Alaska'scollege A index reached 113. Predicted planetary A index is 12...
Strong solar activity continues, with worldwide propagation on 10and 12 meters quite commonplace. Predicted solar flux is 255, 250, 210,...
Excellent HF conditions greeted hams in the ARRL 10-Meter contestlast weekend. Recent indicators show a sudden shift to two digitdaily...
Average daily sunspot number plummeted to 104.4. Weekly Commentary on the Sun, the Magnetosphere, and the Earth's Ionosphere for December...
Solar activity seems to have dropped dramatically from a recent peak. Are we over the cycle peak and headed down...
ARRL Headquarters was closed on November 29. So, this regular Fridaybulletin was moved to the following Monday (12/2). Solar activity...
There’s an old joke that they want to send an exploratory mission to the sun, but to save money, they...
Solar activity was lower this reporting week, November 14-20, withthe average daily sunspot number down from 141.6 to 99.3, and...
Tap or click the link below to download this week’s news script News script for 17 November 2024 (MS Word...
Only five new sunspot groups emerged this week. First was onNovember 7, next on November 9, two more on November...
Tap or click the link below to download this week’s news script News script for 10 November 2024 (MS Word...
Solar activity increased this week. Average daily sunspot number went from 127.7 to 197.4 and average solar flux from 170.5...
Key solar indicators were lower this week, with average daily solarflux down from 194.3 to 170.5 and average daily sunspot...
In a joint statement on Oct. 15th, NASA and NOAA announced that Solar Maximum is underway. If you saw last...
Average daily sunspot numbers changed from 160 to 129.3 and averagedaily solar flux from 261.3 to 194.3. Geomagnetic numbers werehigher,...
Thanks to Carl, K9LA for contributing to this week's bulletin. "SUBJ: ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 2220 UTC/10 OCTOBER...